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httpc

barebones HTTP client, intended for simple usage like downloading filesgit clone https://hacktivis.me/git/httpc.git

configure (2168B)

    

  1. #!/bin/sh
  2. # SPDX-FileCopyrightText: 2019 Haelwenn (lanodan) Monnier <contact+httpc@hacktivis.me>
  3. # SPDX-License-Identifier: MPL-2.0
  5. DEPS="libtls"
  7. arg0="$0"
  8. args="$@"
  10. usage() {
  11. cat <<END
  12. Usage: [variables] configure [variables]
  14. Variables:
  15.   PREFIX=DIR
  16.   BINDIR=DIR
  17.   MANDIR=DIR
  19.   PKGCONFIG=BIN
  20.   CC=BIN
  21.   CFLAGS=OPTIONS
  22.   LDFLAGS=OPTIONS
  24. Variables are set in the following order: Default, Environment, Arguments
  26. Dependencies: See README.md
  27. END
  28. }
  30. is_ok() {
  31. 	status="$?"
  33. 	if test $status -eq 0; then
  34. 		printf " OK\n"
  35. 	else
  36. 		printf " FAIL\n"
  37. 	fi
  39. 	return $status
  40. }
  42. required() {
  43. 	is_ok || exit 1
  44. }
  46. pkg_config_check() {
  47. 	printf 'Checking: %s %s ...' "${PKGCONFIG}" "$*"
  48. 	"${PKGCONFIG}" "$@"
  49. 	is_ok
  50. }
  52. ## User configuration
  54. # defaults
  55. : ${PREFIX:=/usr/local}
  56. : ${PKGCONFIG:=pkg-config}
  57. : ${CC:=cc}
  58. : ${CFLAGS:=-g -O2 -D_FORTIFY_SOURCE=2}
  60. # Also allow variables through arguments
  61. for i; do
  62. 	case "$i" in
  63. 	-h|--help)
  64. 		usage
  65. 		exit 1
  66. 	;;
  67. 	-*)
  68. 		printf "Unknown argument ‘%s’\n" "${i}"
  69. 		usage
  70. 		exit 1
  71. 	;;
  72. 	*=*)
  73. 		# shellcheck disable=SC2163
  74. 		export "$i"
  75. 		shift
  76. 	;;
  77. 	*)
  78. 		printf "Unknown argument ‘%s’\n" "${i}"
  79. 		usage
  80. 		exit 1
  81. 	;;
  82. 	esac
  83. done
  85. # Fallback definitions for dirs, based on $PREFIX
  86. : ${BINDIR:=${PREFIX}/bin}
  87. : ${MANDIR:=${PREFIX}/share/man}
  89. ## System checks
  90. # commands
  91. printf 'Checking %s command existance ...' "${PKGCONFIG}"
  92. command -v "${PKGCONFIG}" >/dev/null ; required
  94. printf 'Checking %s command existance ...' "${CC}"
  95. command -v "${CC}" >/dev/null ; required
  97. echo
  99. # pkg-config
  100. for dep in ${DEPS}
  101. do
  102. 	pkg_config_check --exists "$dep" || exit 1
  103. done
  105. printf 'Using pkg-config to get CFLAGS for %s ...' "${DEPS}"
  106. get_cflags() { "${PKGCONFIG}" --cflags "${DEPS}"; }
  107. DEPS_cflags="$(get_cflags)"
  108. required
  110. printf 'Using pkg-config to get LIBS for %s ...' "${DEPS}"
  111. get_libs() { "${PKGCONFIG}" --libs "${DEPS}"; }
  112. DEPS_libs="$(get_libs)"
  113. required
  115. echo
  117. ## Configuration write
  118. printf 'Writing to config.mk ...'
  119. cat >config.mk <<EOF
  120. # Autogenerated by $arg0 $args
  121. PREFIX = ${PREFIX}
  122. CC = ${CC}
  123. CFLAGS = ${CFLAGS}
  124. LDFLAGS = ${LDFLAGS}
  126. DEPS_cflags = ${DEPS_cflags}
  127. DEPS_libs = ${DEPS_libs}
  128. EOF
  130. is_ok
  132. echo 'Done, you can now run make'